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It's identical to a KS. If you have a KS, the geometry is the same. The only visual difference, other than the lack of patina with use, is that it is stamped with an 'S' on the left hand side of the blade at the tang in front of the handle. It's obviously asymmetric. One side of the blade is completely flat. The other is convex ground.

It's identical to a KS. If you have a KS, the geometry is the same. The only visual difference, other than the lack of patina with use, is that it is stamped with an 'S' on the left hand side of the blade at the tang in front of the handle. It's obviously asymmetric. One side of the blade is completely flat. The other is convex ground.

The KS I have (bought used, but not thinned along the faces of the blade) appears to be very slightly convex ground on the right side (looking down the spine to the tip). I would not go so far as to say that my KS is clearly asymmetrically ground, it's closer to flat (which the previous owner noted as well).

Members have previously commented that there is a significant amount of variation between KS knives. Perhaps the grind is one of the things that there is a lot of variation with.

I would not go so far as to say that my KS is clearly asymmetrically ground, it's closer to flat (which the previous owner noted as well).

It's the same answer I give to everyone. Take a ruler. Hold it up against one side of the blade. It will sit FLUSH against the ruler indicating that the blade face is flat. Then put the ruler against the other side of the blade and observe how the convexity curves away from the straight ruler edge. This is an obvious asymmetric grind. Only the eye is fooled due to the thinness of the blade. But the ruler will reveal the asymmetry.